Torino's Polish defender Kamil Glik wears a black armband in memory of the victims of Tunisia's attacks during the UEFA Europe League round of 16 football match Torino Vs Zenit on March 19, 2015 at the "Olympic Stadium" in Turin. The Islamic State jihadist group claimed responsibility today for an attack on foreign tourists at Tunisia's national museum that killed 21 people, as the security forces swooped on suspects. AFP PHOTO / MARCO BERTORELLO        (Photo credit should read MARCO BERTORELLO/AFP via Getty Images)